https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14020923Edit ImageSaveSaveEditCropCustom TextJames Hutton (left) and Joseph Black (right), natural philosophers, talking together. Etching and aquatint by J. Kay, 1787.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1091 x 1200 px | 300 dpiLarge JPEG 2550 x 2805 px | 300 dpiFree DownloadJames Hutton (left) and Joseph Black (right), natural philosophers, talking together. Etching and aquatint by J. Kay, 1787.More